Base | Representation |
---|---|
bin | 10010000111111… |
… | …01001111010100 |
3 | 101121002000222200 |
4 | 21003331033110 |
5 | 302410012322 |
6 | 23030324500 |
7 | 3524152413 |
oct | 1103751724 |
9 | 347060880 |
10 | 152032212 |
11 | 78900062 |
12 | 42ab9730 |
13 | 25660bb7 |
14 | 1629747a |
15 | d5318ac |
hex | 90fd3d4 |
152032212 has 18 divisors (see below), whose sum is σ = 384303738. Its totient is φ = 50677392.
The previous prime is 152032211. The next prime is 152032259. The reversal of 152032212 is 212230251.
It can be written as a sum of positive squares in only one way, i.e., 148206276 + 3825936 = 12174^2 + 1956^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×1520322122 = 46227586971225888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152032211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2111523 + ... + 2111594.
Almost surely, 2152032212 is an apocalyptic number.
152032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
152032212 is an abundant number, since it is smaller than the sum of its proper divisors (232271526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152032212 is a wasteful number, since it uses less digits than its factorization.
152032212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4223127 (or 4223122 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 152032212 is about 12330.1343058379. The cubic root of 152032212 is about 533.7180264474.
Adding to 152032212 its reverse (212230251), we get a palindrome (364262463).
The spelling of 152032212 in words is "one hundred fifty-two million, thirty-two thousand, two hundred twelve".
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